WELL · 42-399-35049 · DISTRICT 7
Pirtle #4
Runnels County · Cree-Sykes (Gardner Upper) field · Vertical
Pirtle #4 (API 42-399-35049) is a well in Runnels County operated by Willowbend Investments Inc., completed August 31, 2008.
The RRC has issued one drilling permit, issued May 31, 2007, permitted to 4,700 ft.
It was permitted by Byrne Oil Company and has since transferred to Willowbend Investments Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Palo Pinto, Morris, Gardner.
Its 2 leases have reported 153K barrels of oil and 112K mcf of gas since February 2007, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Byrne Oil Company; the EWA schedule now lists a different operator.
Wichita Falls, TX · P-5 Y, filed Jul 4, 2026 · 162 permits on file · (940) 781-2358
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Willowbend Investments Inc. |
| Production reports | Koko Skadi, LLCthrough Apr 2026 |
| Latest permit | Byrne Oil CompanyMay 31, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,700
- total depth, ft
- 1
- permits on file
- May 31, 2007
- last permit issued
- Aug 31, 2008
- completed
- 153K
- cumulative oil, bbl
- 112K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 31, 2008
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pirtle O-9-16149 | Cree-Sykes (Gardner, Upper) | Koko Skadi, LLC | 5 | 153K | 92.5K | Feb 2007 – Jul 2026 |
| Pirtle G-9-241657 | Cree-Sykes (Gardner, Upper) | Willowbend Investments, Inc. | 1 | 0 | 19.5K | Aug 2008 – Apr 2010 |
Oil, barrels lease total
Last 12 months 132 · prior 12 748(-82%)
Gas, mcf lease total
Last 12 months 0 · prior 12 597(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Byrne Oil CompanyFeb 2007 → Jan 2010
- 2Willowbend Investments, Inc.Feb 2010 → Mar 2023
- 3Koko Skadi, LLCApr 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 639647-99 | Drill | Byrne Oil Company | May 25, 2007 | May 31, 2007 | Jul 12, 2008 | 4,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-241657 | — | — | — | — |
| — | — O-9-16149 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,895 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Palo Pinto | 3,276 | -1,381 |
| Morris | 3,589 | -1,694 |
| Gardner | 3,880 | -1,985 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,838 | 3,846 | Perforated |
| 3,880 | 3,884 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 131 | 12.25 | 110 S |
| 8.625 | 131 | 12.5 | 110 S |
| 4.5 | 3,920 | 7.875 | 145 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 12, 2010 | Apr 9, 2010 | — |
| 00 | Jul 8, 2010 | — | — |
| 00 | Dec 30, 2008 | Sep 18, 2008 | Yes |
| 00 | Nov 4, 2008 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-399-35049 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-399-35049 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/39935049, documented in the API reference.